# _*_ coding ：utf-8 _*_
# @Time : 2023/9/21 14:18
# @Author : 计科1914-02-陈鸿宇
# @File : 4.2
# @Project : 作业
f = open("a.txt","r",encoding='utf-8-sig')

str1 = f.read()

print(str1)

f.close()